CN204228396U - A kind of rear torsion beam endurance test tool - Google Patents

A kind of rear torsion beam endurance test tool Download PDF

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Publication number
CN204228396U
CN204228396U CN201420692954.9U CN201420692954U CN204228396U CN 204228396 U CN204228396 U CN 204228396U CN 201420692954 U CN201420692954 U CN 201420692954U CN 204228396 U CN204228396 U CN 204228396U
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China
Prior art keywords
load
torsion
wheel hub
support
loader
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CN201420692954.9U
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Chinese (zh)
Inventor
张国文
罗宇星
周伟
黄海
覃相猛
杨永峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liuzhou Wuling Automobile Industry Co Ltd
Guangxi Automobile Group Co Ltd
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Liuzhou Wuling Automobile Industry Co Ltd
Liuzhou Wuling Motors Co Ltd
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Priority to CN201420692954.9U priority Critical patent/CN204228396U/en
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Abstract

The utility model discloses a kind of rear torsion beam endurance test tool, comprise wheel hub simulation support and load loader, described wheel hub simulation support and rear torsion beam removably connect, and described load loads it and simulates support with described wheel hub and be connected.Rear torsion beam endurance test tool disclosed in the utility model, wherein wheel hub simulation support is mainly used in the wheel hub of simulating wheel, replaces the position of hub for vehicle wheel in long duration test, transmits brake load and side load.Load loads its one end and is connected with the equipment of load loading end, and the other end and wheel hub are simulated support and be connected, and the load that equipment provides just can be delivered on wheel hub simulation support via load loader.And wheel hub simulation support and rear torsion beam removably connect, the load therefore on wheel hub simulation support just can be delivered on rear torsion beam smoothly.And because wheel hub simulation support and rear torsion beam removably connect, therefore this frock has versatility, goes for various no rear torsion beam.

Description

A kind of rear torsion beam endurance test tool
Technical field
The utility model relates to Vehicle Engineering technical field, particularly a kind of rear torsion beam endurance test tool.
Background technology
Along with the development of Chinese machinery industry, one of large pillar of mechanical industry three: Vehicle Engineering technology obtains significant progress.And along with the progress of urban modernization, automobile has become the topmost vehicles in the world today.
Parts on automobile nearly up to ten thousand, for suspension, torsion beam type post-suspension structure is simple, and the space that wheel place, the left and right sides takies is little, and the camber angle of vehicle body is constant simultaneously, and shock absorber does not bend ess-strain, rubs little, takes excellent performance.If adjustment is proper, best effect can be reached with lower cost and space, so existing compact car and compact sedan generally adopt the rear-mounted of this kind of form.Under automobile actual operating state, the side load produced when such rear torsion beam hung mainly is subject to the brake load of vehicle generation when braking and turns to.
Therefore, the life degree under the real vehicle state of rear torsion beam is the core index of its quality testing.But the brake load how in test equipment provided and side load height are also delivered on the rear torsion beam of various types of vehicles in original place, are this area engineering technical personnel's problems faced.
Utility model content
The purpose of this utility model is to provide a kind of rear torsion beam endurance test tool, the load that equipment provides can be delivered on the rear torsion beam of various types of vehicles truly, thus carry out life test to rear torsion beam.
For solving the problems of the technologies described above, the utility model provides a kind of rear torsion beam endurance test tool, for rear torsion beam, comprises wheel hub simulation support and load loader, described wheel hub simulation support and described rear torsion beam removably connect, and described load loader and described wheel hub are simulated support and be connected.
Preferably, also fastening bolt is comprised; Described load loader comprises load loading end, Connection Block and at least one load bar, and each described load bar one end is simulated support with described wheel hub and is connected, and the other end is connected with described Connection Block; Described Connection Block is connected by the end face of described fastening bolt with described load loading end.
Preferably, described load loader comprises 2 described load bars be set up in parallel, and described load bar is connected to the two ends of described Connection Block, and described fastening bolt coordinates with described load loading end through the centre position of described Connection Block.
Preferably, the link position place of described fastening bolt and described Connection Block is provided with the spring washer for slowing down impact.
Preferably, described wheel hub simulation support is connected with described rear torsion beam by bolt.
Preferably, the bottom that support simulated by described load loader and described wheel hub is connected.
Preferably, described wheel hub simulation support is provided with reinforcement with the link position place of described rear torsion beam.
Preferably, the two ends of described wheel hub simulation support are provided with and reach dynamically balanced counterweight for auxiliary.
Rear torsion beam endurance test tool provided by the utility model, mainly comprise wheel hub simulation support and load loader, and trial body is rear torsion beam.Wherein, the effect of wheel hub simulation support is simulation wheel hub, in test replaces wheel hub transmitted load.Wheel hub simulation support is removably connected with rear torsion beam, is also connected with load loader simultaneously.When testing, the load provided by equipment is delivered on wheel hub simulation support through load loader, and then pass to rear torsion beam by wheel hub simulation support, under highly reducing real vehicle state, the side load of the brake load produced when braking and generation when turning on the impact of rear torsion beam, thus carries out long duration test smoothly.On this basis, simulating support with rear torsion beam due to wheel hub is removably be connected, so after carrying out long duration test to a kind of rear torsion beam of vehicle, rear torsion beam can be dismantled, changes another kind of rear torsion beam, proceeds long duration test after fixing.In sum, rear torsion beam endurance test tool provided by the utility model, realizing carrying out, on the basis of life test, also having very high versatility to rear torsion beam, goes for the rear torsion beam of variety classes vehicle.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the one-piece construction schematic diagram of the first embodiment provided by the utility model;
Fig. 2 is the concrete structure schematic diagram of the loader of load shown in Fig. 1;
Fig. 3 is the one-piece construction schematic diagram of the second embodiment provided by the utility model.
Wherein, in Fig. 1-Fig. 2:
Rear torsion beam-1, wheel hub simulation support-2, load loader-3, load loading end-301, Connection Block-302, load bar-303, fastening bolt-4, spring washer-5, bolt-6.
In Fig. 3:
Reinforcement-7, counterweight-8.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, Fig. 1 is the one-piece construction schematic diagram of the first embodiment provided by the utility model.
In the first embodiment provided by the utility model, rear torsion beam endurance test tool is used for rear torsion beam 1, mainly comprises wheel hub simulation support 2 and load loader 3.
Wherein, wheel hub simulation support 2 is the parts for simulating vehicle wheel hub in this frock, when testing, replaces wheel hub to test.In order to ensure the versatility of frock, wheel hub simulation support 2 removably connects with rear torsion beam 1.Consider cost and convenience, preferably, wheel hub simulation support 2 is connected with rear torsion beam 1 by bolt 6.Setting like this, when installing this frock, only need simulate at wheel hub the position inserting bolt 6 that support 2 is connected with rear torsion beam 1, then tightening; And after off-test, only bolt 6 oppositely need be unscrewed, wheel hub can be simulated the dockingundocking of support 2 and rear torsion beam 1, then the rear torsion beam 1 installing all the other models proceeds test.Certainly, the mode that removably connects conventional in engineering is a lot, uses bolt 6 to complete to removably connect just wherein a kind of, and all the other are such as hinged etc., can adopt equally.
Load loader 3, as its name suggests, for providing load in this frock, and in order to highly reduce the brake load that is subject under real vehicle state of rear torsion beam 1 and side load, what load loader 3 pairs of wheel hub simulation supports 2 applied is reciprocating power, be delivered on rear torsion beam 1 by wheel hub simulation support 2 again, just can simulate the load condition be subject to when rear torsion beam 1 is braked and turns under real vehicle state.And in order to the transfer chain of reduced force, improving dynamic changes process efficiency, load loader 3 and wheel hub are simulated support 2 and are directly connected.Simultaneously due under real vehicle state, distance between the central point that the link position of support 2 simulated by rear torsion beam 1 and wheel hub simulates support 2 tie point to load loader 3 and wheel hub equals the rolling radius of wheel tyre, therefore preferably, the bottom that support 2 simulated by load loader 3 and wheel hub is connected.Setting like this, the condition according to the rolling radius of wheel tyre limits, and the link position that support 2 simulated by rear torsion beam 1 and wheel hub roughly will be in the center that support 2 simulated by wheel hub, relative to other position, is convenient to installation and removal.Certainly, if the bottom that load loader 3 does not simulate support 2 with wheel hub is connected, the centre position of such as simulating support 2 with wheel hub is connected feasible too.
In sum, rear torsion beam endurance test tool provided by the utility model, simulate by wheel hub simulation support 2 and replace wheel hub, load is provided by load loader 3, the brake load that simulation rear torsion beam 1 is subject under real vehicle state and side load, be delivered on rear torsion beam 1 by the effect of wheel hub simulation support 2 again, highly emulation ground carries out long duration test to rear torsion beam 1; Simultaneously because wheel hub simulation support 2 and rear torsion beam 1 removably connect, therefore after off-test, can also frock be pulled down, continue to test the rear torsion beam 1 of all the other models, there is highly versatile.
As shown in Figure 2, Fig. 2 is the concrete structure schematic diagram of the loader of load shown in Fig. 1.
In addition, in order to improve the stability of load loader 3 in operational process and fiduciary level, in the present embodiment, load loader 3 preferably comprises the structure of load loading end 301, Connection Block 302 and at least one load bar 303.And in order to coordinate with the load loader 3 of structure like this, also need to use fastening bolt 4.Wherein, load loading end 301 is responsible for providing load, and load bar 303 is responsible for transmitted load and connection, and Connection Block 302 provides fabricating yard.Load bar 303 one end and wheel hub are simulated support 2 and are connected, and the other end is arranged on Connection Block 302.Connection Block 302 is then arranged on the end face of load loading end 301 by aforesaid fastening bolt 4.
When starting load loader 3, load loading end 301 starts to provide load, because Connection Block 302 is fastened on load loading end 301 by fastening bolt 4, load loading end 301 can first to fastening bolt 4 imposed load, and then load can along the transfers of fastening bolt 4 on the Connection Block 302 coordinated with fastening bolt 4.Simultaneously because load bar 303 two ends respectively connected Connection Block 302 and wheel hub simulation support 2, therefore, the load that load loading end 301 provides is delivered on wheel hub simulation support 2 eventually through load bar 303.
Consider the structural symmetry of load loader 3, simultaneously in order to cost-saving, preferably, the quantity of load bar 303 is 2, and is set up in parallel, and is connected to the two ends of Connection Block 302.Therefore, the centre position of Connection Block 302 is just vacated, and Connection Block 302 just can be fixed on the end face of load loading end 301 through the centre position of Connection Block 302 by fastening bolt 4.
Certainly, the quantity of load bar 303 is not limited in 2, and such as 3,4 or more quantity also can reach the purpose of this utility model completely.
The structure of above-mentioned load loader 3 is called split-type structural, so arranges, and the structure comparison of whole load loader 3 is average, and dynamic changes process efficiency is higher.What is more important, relative to Contiuum type structure common in engineering, the split-type structural of load loader 3 provided by the utility model avoids the stress of load on fastening bolt 4 and concentrates, thus the defect of fracture occurs at connection of thread the load bar avoiding Contiuum type structure.Even if because load is excessive, the screw thread fracture of fastening bolt 4, so also only needs to change fastening bolt 4, on the load bar 303 not impact of load loader 3, thus improves serviceable life and the fiduciary level of frock.Certainly, if load loader 3 adopts connector structure also not affect the effect of load loader 3 at all.
Further, the present embodiment is provided with spring washer 5 at fastening bolt 4 and the link position place of Connection Block 302.This spring washer 5 can absorb impact, slows down impact, the screw thread of energy available protecting fastening bolt 4, makes it avoid occurring that stress is concentrated and causes the situation of fracture.In addition, due to the existence of spring washer 5, the connection between fastening bolt 4 with Connection Block 302 was improved to soft contact by former hard contact, decreased the wearing and tearing between both joint faces, improve the durability degree of frock.
Please refer to Fig. 3, Fig. 3 is the one-piece construction schematic diagram of the second embodiment provided by the utility model.
The second embodiment provided by the utility model, the basis of the first embodiment is improved, is specially: set up reinforcement 7 and counterweight 8.The remainder of the rear torsion beam endurance test tool that the present embodiment provides is identical with foregoing teachings, repeats no more herein.
In the second embodiment provided by the utility model, consider that the impulse ratio between wheel hub simulation support 2 and rear torsion beam 1 is comparatively violent, the present embodiment is provided with reinforcement 7 at wheel hub simulation support 2 with the link position place of rear torsion beam 1.So, strengthen the strength and stiffness of wheel hub simulation support 2 partly, the access times of wheel hub simulation support 2 can be improved to a certain extent.
And consider when testing, wheel hub simulation support 2 and rear torsion beam 1 are all driven by load loader 3 and are synchronized with the movement, the present embodiment is provided with counterweight 8 at the end positions place of wheel hub simulation support 2, the wheel hub that can help like this simulates support 2 when high speed to-and-fro movement, center-of-gravity regulating, reach transient equilibrium sooner, ensure the stability in use of frock.

Claims (8)

1. a rear torsion beam endurance test tool, for rear torsion beam (1), it is characterized in that, comprise wheel hub simulation support (2) and load loader (3), described wheel hub simulation support (2) removably connects with described rear torsion beam (1), and described load loader (3) and described wheel hub are simulated support (2) and be connected.
2. rear torsion beam endurance test tool according to claim 1, is characterized in that, also comprises fastening bolt (4); Described load loader (3) comprises load loading end (301), Connection Block (302) and at least one load bar (303), each described load bar (303) one end is simulated support (2) with described wheel hub and is connected, and the other end is connected with described Connection Block (302); Described Connection Block (302) is connected by the end face of described fastening bolt (4) with described load loading end (301).
3. rear torsion beam endurance test tool according to claim 2, it is characterized in that, described load loader (3) comprises 2 described load bars (303) be set up in parallel, described load bar (303) is connected to the two ends of described Connection Block (302), and described fastening bolt (4) coordinates with described load loading end (301) through the centre position of described Connection Block (302).
4. rear torsion beam endurance test tool according to claim 2, is characterized in that, described fastening bolt (4) is provided with the spring washer (5) for slowing down impact with the link position place of described Connection Block (302).
5. rear torsion beam endurance test tool according to claim 1, is characterized in that, described wheel hub simulation support (2) is connected with described rear torsion beam (1) by bolt (6).
6. rear torsion beam endurance test tool according to claim 1, is characterized in that, the bottom that support (2) simulated by described load loader (3) and described wheel hub is connected.
7. rear torsion beam endurance test tool according to claim 1, is characterized in that, described wheel hub simulation support (2) is upper is provided with reinforcement (7) with the link position place of described rear torsion beam (1).
8. rear torsion beam endurance test tool according to claim 1, is characterized in that, the two ends of described wheel hub simulation support (2) are provided with and reach dynamically balanced counterweight (8) for auxiliary.
CN201420692954.9U 2014-11-18 2014-11-18 A kind of rear torsion beam endurance test tool Active CN204228396U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105628402A (en) * 2015-12-23 2016-06-01 宁波建新底盘系统有限公司 Automobile torsion beam back shaft fatigue testing device
CN108016226A (en) * 2016-11-04 2018-05-11 本特勒汽车工业有限责任公司 Wheel suspension with control arm
CN105928674B (en) * 2016-04-25 2018-08-10 奇瑞汽车股份有限公司 A kind of rigidity detection device suitable for torsion beam suspension

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105628402A (en) * 2015-12-23 2016-06-01 宁波建新底盘系统有限公司 Automobile torsion beam back shaft fatigue testing device
CN105628402B (en) * 2015-12-23 2019-03-05 宁波建新底盘系统有限公司 A kind of torsion beam of automobile rear axle fatigue experimental device
CN105928674B (en) * 2016-04-25 2018-08-10 奇瑞汽车股份有限公司 A kind of rigidity detection device suitable for torsion beam suspension
CN108016226A (en) * 2016-11-04 2018-05-11 本特勒汽车工业有限责任公司 Wheel suspension with control arm
CN108016226B (en) * 2016-11-04 2021-03-19 本特勒汽车工业有限责任公司 Wheel suspension system with control arm

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Legal Events

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GR01 Patent grant
C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 545007 Liuzhou Hexi Road, the Guangxi Zhuang Autonomous Region, No. 18

Patentee after: Guangxi company limited of automobile group

Patentee after: Liuzhou Wuling Automobile Industry Co., Ltd.

Address before: 545007 Liuzhou Hexi Road, the Guangxi Zhuang Autonomous Region, No. 18

Patentee before: Liuzhou Wuling Motors Co., Ltd.

Patentee before: Liuzhou Wuling Automobile Industry Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: GUANGXI PROVINCE AUTOMOBILE GROUP CO., LTD.

Free format text: FORMER NAME: WULING AUTOMOBILE CO., LTD., LIUZHOU